核实责任后，甲方返还乙方所支付的模具费。
After the liability is verified, Part a shall return the mould cost paid by Party b.
当风险敞口降低时，受让人有责任返还相同的担保品。
If Exposure decreases, the Transferee is obliged to return equivalent Collateral.
第三百五十一条让与人未按照约定转让技术的，应当返还部分或者全部使用费，并应当承担违约责任；
Article 351 The transferor that fails to transfer the technology as contracted shall refund the royalties in part or in full and bear the liability for breach of contract.
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